Add info about replay attacks to readme

twisted-pear · Aug 3, 2023 · 188f2fa · 188f2fa
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diff --git a/README.md b/README.md
@@ -68,6 +68,11 @@ The same key is used for all messages. This means that no forward-secrecy is
 provided. If the key is compromised, all previous messages are compromised as
 well.
 
+Currently, no protection against replay attacks is implemented. This means that
+someone without the key can capture an encrypted message and resend it as many
+times as they want. A receiving flipper will display the replayed message as if
+it were new.
+
 If you do not understand the implications of the caveats mentioned here, do not
 expect to gain any security by using encryption.